Sister Mary Jeanne Oesterle


Born and raised in Philadelphia, Sr. Mary Jeanne Oesterle attended Catholic school from first grade through university. She holds a bachelor’s degree in education from Gwynedd Mercy College, a master’s degree in education administration from Bloomsburg University, and received administrative certification from Fairfield University. Sr. Mary Jeane began her career in education in 1967 as a teacher of both elementary and students with special needs. For over thirty years she has served as an education administrator in a number of fine Mercy schools. Her passion is working with and ministering to young people in their formative years.

Sr. Mary Jeanne joined Walsingham Academy in 1990; she served fourteen years as Principal of the Lower School before her appointment as President of the Academy in 2004.

Angie Baker

Upper School Director

A longtime and highly respected member of the Upper School faculty, Mrs. Baker has served as a science teacher at Walsingham since the 2008-09 school year. She brings 18 total years of teaching experience and has previously served as an administrator at St. Frederick High School in Monroe, Louisiana.

Mrs. Baker believes that to be a Mercy educator is to exemplify for the students the Mercy values both inside and out of the classroom. She sees all students as being gifts to which she is accountable for their care, education, and growth.

Mark Kirk

Lower School Director

A seasoned and successful educator and administrator, Mr. Kirk brings 30 years of experience to Walsingham, including the last 17 years as a school administrator. He has served as a teacher and administrator in both elementary and middle schools...

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Board of Trustees

Walsingham Academy was founded in 1947 by the Sisters of Mercy of Philadelphia. A Board of Trustees was established in August 2002.

Chairwoman: Mary Ann Lemere P '18
Vice Chairman: Robert Hershberger
Secretary: Kevin Hughes

Michelle Alexander
Michelle Brauer P '04 '06
Henry Broaddus
Clifford Fleet
Jessa Guinn
Sister Elizabeth Marley
George McBeath P’16
Pam McGregor P '08 '10
Sister Mary Jeanne Oesterle
Jade Ranger
Leslynn Twiddy P ’05, ’08
Adria Vanhoozier
Megan Whiteaker '06